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DC Inverter Welding Machine

DC Inverter Welding Machine, also known as arc welding inverter power supply, is a new type of welding power source.
This power supply generally uses a three-phase power frequency (50 Hz) AC network voltage, which is first rectified and filtered by the input rectifier into DC power, and then passed through high-power switching electronic components (thyristor thyristor, transistor GTR, FET MOSFET or IGBT).

Product Details

Description

DC Inverter Welding Machine, also known as arc welding inverter power supply, is a new type of welding power source. This power supply generally uses a three-phase power frequency (50 Hz) AC network voltage, which is first rectified and filtered by the input rectifier into DC power, and then passed through high-power switching electronic components (thyristor thyristor, transistor GTR, FET MOSFET or IGBT). The AC switch function is to reverse the IF LV voltage of several kHz to tens of kHz, while reducing the voltage to tens of volts suitable for welding through a transformer, then rectifying and outputting a fairly stable DC welding current through the reactance filter.

Function: manual arc welding, butt welding.

Applicable industries: steel plate, construction engineering, etc.

Parameter

Technical Parameters

Model

DH-25S

DH-28S

DH-32S

Rated input voltage /frequency

Three Phases 380V±15% 50/60Hz

Rated input capacity (KVA)

19

22

27

Rated input current (A)

49

58

71

Rated output voltage (V)

37.2

39.2

42

Output current range (A)

20-430

20-480

20-550

Output no load voltage (V)

90

90

90

Rated duty cycle (%)

60

Enclosure protection class

F

Insulation grade

IP21S

Exterior size L x W x H (mm)

700x430x630

720x430x640

720x430x640

Weight(kg)

50

65

63

Feature

The DC Inverter Welding Machine uses IGBT inverter module technology for fast dynamic response and high output current.

Its digital display shows the welding current, preset adjustment, and adjustable arc force current. Beautiful appearance and less splash.

If there is abnormal voltage, overheating, overload, overcurrent fault, short circuit, the protection function will be turned on and a warning will be issued.

It has perfect protection, is durable, stable and reliable.

It can weld high carbon steel, medium carbon steel, low carbon steel, alloy steel and stainless steel, cast steel, butt welding of steel bars.

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